# Relationship history for MSHA mine 1513817

Current hierarchy: **Infinity Coal Corp → Hickory Hill Development Corp → Lower Johns Creek Mine No 3**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Davidson Michael D → Lower Johns Creek Mine No 3; 1980-10-16 to 1984-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Sloan Curtis & David Belcher → Lower Johns Creek Mine No 3; 1981-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Comer-Davidson Coal Company Inc → Lower Johns Creek Mine No 3; 1982-11-01 to 1983-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Davidson Michael D → Comer-Davidson Coal Company Inc; 1982-11-01 to 1983-05-04; source msha-controller-operator-history
- **operator_operates_mine:** 4-D Coal Company Inc → Lower Johns Creek Mine No 3; 1983-05-05 to 1985-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Conn Delano → Lower Johns Creek Mine No 3; 1983-05-05 to 1985-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Conn Delano → 4-D Coal Company Inc; 1983-05-05 to 1985-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Daisy Coal Company → Lower Johns Creek Mine No 3; 1985-03-11 to 1986-07-20; source msha-controller-operator-history
- **controller_controls_mine:** Miller Terry & Norman Stump → Lower Johns Creek Mine No 3; 1985-03-11 to 1986-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Miller Terry & Norman Stump → Daisy Coal Company; 1985-03-11 to 1986-07-20; source msha-controller-operator-history
- **operator_operates_mine:** Bruce Blevins Inc → Lower Johns Creek Mine No 3; 1986-07-21 to 1988-07-05; source msha-controller-operator-history
- **controller_controls_mine:** Blevins Bruce → Lower Johns Creek Mine No 3; 1986-07-21 to 1988-07-05; source msha-controller-operator-history
- **controller_controls_operator:** Blevins Bruce → Bruce Blevins Inc; 1986-07-21 to 1988-07-05; source msha-controller-operator-history
- **operator_operates_mine:** Old South Mining Corp → Lower Johns Creek Mine No 3; 1988-07-06 to 1989-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Sloan Curtis & David Belcher → Old South Mining Corp; 1988-07-06 to 1989-02-20; source msha-controller-operator-history
- **operator_operates_mine:** C & T Coal Company Inc → Lower Johns Creek Mine No 3; 1989-02-21 to 1990-05-28; source msha-controller-operator-history
- **controller_controls_mine:** Robinson Clyde → Lower Johns Creek Mine No 3; 1989-02-21 to 1990-05-28; source msha-controller-operator-history
- **controller_controls_operator:** Robinson Clyde → C & T Coal Company Inc; 1989-02-21 to 1990-05-28; source msha-controller-operator-history
- **controller_controls_mine:** Infinity Coal Corp → Lower Johns Creek Mine No 3; 1989-03-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hickory Hill Development Corp → Lower Johns Creek Mine No 3; 1990-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Infinity Coal Corp → Hickory Hill Development Corp; 1990-05-29 to current/open; source msha-controller-operator-history